A survey asked 40 students if they play an instrument and if they 20 students are in band.
3. 20 students are not in band.
Which table shows these data correctly entered in a two-way frequency table?
Total
Band
Not in band
D. A.
0
20
20
Play instrument
Dont play
instrument
15
20
5
40
15
25
Total
Toto
Band and play
instrument
Not in band and
play instrument
B.
Not in band and
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a

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.

Which is true regarding the graphed function f(x)?

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?